小学二年级数学速算与巧算

48+23= 57-48= 54+29= 62+19= 86-54= 54+28= 27+36= 65-36= 84-48= 40-29= 48+48= 60+25= 56-28= 78-69= 72-37= 53+28= 54+37= 59+19= 55-47= 73+29= 98-56= 35+17= 60-38= 36-25= 42-19= 75-59= 24+38= 42-23= 44+39= 70+19= 16+23= 57-16= 62+12= 22+55= 46-28= 48-26= 72-54= 16+27= 43-27= 63+25= 76-37= 54-29= 79-64= 98-48= 56-36= 67-60= 85-50= 42-32= 69-31= 93-56= 23+32= 42-19= 37-25= 50+22= 62-48= 22+55= 86-45= 70-42= 72-54= 16+27= 40-12= 83-56= 76-37= 54-29= 64+36= 71-55= 56-36= 67-60= 55+38= 15+57= 39+38= 93-56= 78-29= 37+18= 47+19= 46-19= 36+27= 46-38= 65-26= 25+8= 45-16= 42-19= 74-18= 44-17= 34+58= 53-29= 63+28= 36+17= 43-25= 73+14= 36-27= 22+18= 52+16= 62-59= 52-34= 82-33=

58-29= 47+18= 47+29= 76-19= 46+27= 56-38= 75-26= 45+8= 35-16= 42-29= 74-68= 64-17= 24+58= 53-39= 43+28= 56+17= 63-25= 73+24= 56-27= 22+28= 27+16= 62-49= 62-34= 62-35= 52-17= 91-37= 36+26= 81-35= 77-28= 84+19= 39+35= 35+19= 68-39= 47+28= 67+29= 84-29= 26+17= 66-48= 85-56= 72+18= 45-36= 72-39= 78-39= 74-37= 74+18= 83-49= 83+17= 46+27= 53-35= 63+34= 64-45= 32+19= 53-35= 63+34= 64-45= 32+19= 63+37= 64+24= 53+16= 82-37= 47+19= 55+38= 40-17= 79-28= 54-45= 71-15= 61-39= 85+7= 72-45= 46-28= 72-17= 68-57= 96-59= 43-27= 76-38= 42+59= 56-27= 79-64= 75+17= 60-37= 86-58= 85-50= 48-36= 60-37= 52+23= 23+32= 53+36= 46-38= 35+17= 76-18= 42-37= 75+17= 86-45= 55+17= 63-49= 92-59=

63-37= 70-42= 75-55= 62-56=

50+22= 83-56= 15+56= 48-26=

75-33= 48+35= 38+46= 42-19=

12+29-19= 69+10-36= 27+12-28= 67+27-37= 33-17+15= 75-36+10= 72-54+12= 65-39-15= 62-18+24= 54+21+18= 53-29+19= 35+12-28= 86-12-15= 57-33+31= 36-27+9= 77-19-16= 88-34+18= 85-36+27= 12+79-62= 51-27+28= 51-42+53= 77-65-6= 71-52+36= 75-24+26= 75+24-23= 32+45-38= 81-45+36= 24-16+40= 63+12-42= 53-37+15= 63-23+28= 48-26+18= 21+82-60= 36+34-14= 73+12-71= 21+82-60= 44-5+12= 100-76+22= 72-45+32= 54-21-18= 67-47+22= 21+82+17= 83-27+10= 54+21-18= 65-33-18= 68-65-3= 54-52+17= 88-51-24= 76-63+1= 63+18+11= 65+15-47= 77-34+55= 43-29+13= 85-28-28= 77-38+42= 60-34+35= 17+27-10= 55+38-15= 54-41+36= 99-88+77= 75+15-30= 92-6+11= 42-37+54= 77-64+22= 25-9-12= 73-28= 36+45= 28-19-9= 23-14-9= 54-28= 39-27= 3+14+7= 11+16-9= 23-10-5= 61-15= 82-36=

12+18-15= 25-16-7= 56-38= 37+48=

30-16-9= 28-2-19= 3+29= 51-18=

12+3+14= 30-16-14= 75-46= 60-25= 13+12+5= 30-11-13= 54-26= 80-9= 16+12-19= 26-5-16= 38+27= 9+34= 18+11-13= 28-19-3= 62-38= 18+26= 26-18-8= 25-7-13= 51-18= 54-26= 19-8+11= 26-17-5= 52-16= 34+38= 30-8-16= 15+3+10= 61-19= 76-54= 30-13-8= 12+15+2= 34+38= 27-19= 30-15-14= 29-5-7= 38+36= 35+16= 10+15+4= 13+2+14= 28+27= 54+28= 9+10+11= 30-15-4= 35+26= 28+39= 24-8+9= 12+17+1= 46+29= 38+36= 11+13-15= 24-17-5= 33+49= 37-21= 26-17+8= 4+13+9= 37+16= 37-37= 23-15+5= 13+15-19= 51-34= 56-27= 26-8+17= 16-9+15= 54-28= 64-13= 23-19+15= 28-21-7= 56-27= 19+28= 25-19+14= 12+5+13= 64-13= 25+37= 24-16+15= 25-18+17= 58+16= 91-8= 26-18+15= 25-9-13= 27-19= 73-29= 28-12+6= 15+17-14= 38-9= 38+36= 26-18-2= 11+13-15= 37-18= 28+27= 25-6+8= 14-12+18= 26-17= 50-28= 26-8+4= 23-5-16= 35-17= 80-34=